Provide an appropriate response.
If a business sends out 2,000 brochures to a list of customers and expects to lose 350 of them to mail changes, what percent is lost?
A. 70%
B. 1.2%
C. 17.5%
D. 5.17%
Answer: C
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Solve.Assume that in 1985, the annual consumption of pork was about 55 lb per person and that in 1997, it was about 36 lb per person. In addition, assume that consumption is decreasing according to the exponential decay model. Find the value k, and write an exponential function that describes pork consumption after time t, in years. (Round decimals to three places.)
A. k = 0.299; C(t) = 55e0.299t, where t is the number of years since 1985. B. k = 0.035; C(t) = e-0.035t, where t is the number of years since 1985. C. k = -0.035; C(t) = 55e-0.035t, where t is the number of years since 1997. D. k = 0.035; C(t) = 55e-0.035t, where t is the number of years since 1985.
Fill in the blank with one of the words or phrases listed below. 
An angle that measures 180° is called a(n) 
angle.
A. right B. acute C. straight D. obtuse
Provide an appropriate response.What is the rule for multiplying a decimal number by 1000?
What will be an ideal response?
Provide an appropriate response.A young family with two children has $40,000 saved for college costs, with part invested at 12% and part invested at 8%. If the total yearly income from the investments is $3400, how much is invested at each rate?
What will be an ideal response?